Homeopet Nose Relief (Pack of 3) 15 Ml Pack of 3 Free of all chemicals; uses only the purest, naturally grown raw materials Clinically used on dogs, cats, birds, rabbits, hamsters, ferrets and pot-bellied pigs No known side effects; safe for kittens, puppies, pregnant and nursing animals Specifically formulated for all types of respiratory problems, including sinus infection or inflammation.